<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>页面未找到</title>
    <style>
        body {
            background-color: #f8f9fa;
            font-family: "Microsoft YaHei", Arial, sans-serif;
            text-align: center;
            padding-top: 10%;
            color: #333;
        }
        h1 {
            font-size: 80px;
            margin-bottom: 0;
            color: #ff4757;
        }
        h2 {
            font-size: 24px;
            margin-top: 10px;
            color: #555;
        }
        a {
            display: inline-block;
            margin-top: 20px;
            padding: 10px 20px;
            font-size: 18px;
            color: white;
            background-color: #007bff;
            border-radius: 6px;
            text-decoration: none;
            transition: background-color 0.2s;
        }
        a:hover {
            background-color: #0056b3;
        }
    </style>
</head>
<body>
<h1>404</h1>
<h2>抱歉，您访问的页面不存在</h2>
<a href="/">返回首页</a>
</body>
</html>
